64759480

素因数分解:

$2^3\times 5^1\times {\mathrm{433}}^1\times {\mathrm{3739}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 146084400

約数和(自身を除く): 81324920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 433, 866, 1732, 2165, 3464, 3739, 4330, 7478, 8660, 14956, 17320, 18695, 29912, 37390, 74780, 149560, 1618987, 3237974, 6475948, 8094935, 12951896, 16189870, 32379740, 64759480]

約数ペア:

[(1, 64759480), (2, 32379740), (4, 16189870), (5, 12951896), (8, 8094935), (10, 6475948), (20, 3237974), (40, 1618987), (433, 149560), (866, 74780), (1732, 37390), (2165, 29912), (3464, 18695), (3739, 17320), (4330, 14956), (7478, 8660)]